public void Test_Ef_Get_PK()
{
// Arrange
DbContext db = new EfDbMapper(connectionString);
var objectContext = ((System.Data.Entity.Infrastructure.IObjectContextAdapter)db).ObjectContext;
System.Data.Objects.ObjectSet<Product> set =
objectContext.CreateObjectSet<Product>();
//Act
IEnumerable<string> keyNames = set.EntitySet.ElementType
.KeyMembers
.Select(k => k.Name);
// Assert
Assert.AreEqual("ProductId", string.Join(",", keyNames.ToArray()));
}
public void Test_Ef_Get_Pk_via_pure_reflection()
{
// logic sourced here: http://stackoverflow.com/questions/7253943/entity-framework-code-first-find-primary-key
// Arrange
DbContext db = new EfDbMapper(connectionString);
var objectContext = ((System.Data.Entity.Infrastructure.IObjectContextAdapter)db).ObjectContext;
Type t = typeof(Product);
// http://stackoverflow.com/a/232621
MethodInfo m = objectContext.GetType().GetMethod("CreateObjectSet", new Type[] { });
MethodInfo generic = m.MakeGenericMethod(t);
object set = generic.Invoke(objectContext, null);
PropertyInfo entitySetPI = set.GetType().GetProperty("EntitySet");
System.Data.Metadata.Edm.EntitySet entitySet = (System.Data.Metadata.Edm.EntitySet) entitySetPI.GetValue(set, null);
// Act
IEnumerable<string> keyNames = entitySet.ElementType.KeyMembers.Select(k => k.Name);
// Assert
Assert.AreEqual("ProductId", string.Join(",", keyNames.ToArray()));
}
public void Ef_Can_save_transaction()
{
EmptyDatabase();
var x = new EfDbMapper(connectionString);
ITransactionBoundFactory xf = new EF.TransactionBoundFactory();
IRepository<Product> prod = new EF.Repository<Product>(x);
IRepository<Question> ques = new EF.Repository<Question>(x);
Common_Can_save_transaction(xf, prod, ques);
}
public void Test_Ef_Get_PK_via_dynamic()
{
// Arrange
DbContext db = new EfDbMapper(connectionString);
var objectContext = ((System.Data.Entity.Infrastructure.IObjectContextAdapter)db).ObjectContext;
Type t = typeof(Product);
// http://stackoverflow.com/a/232621
MethodInfo m = objectContext.GetType().GetMethod("CreateObjectSet",new Type[] {});
MethodInfo generic = m.MakeGenericMethod(t);
dynamic set = generic.Invoke(objectContext, null);
// Act
var ks = (System.Data.Metadata.Edm.ReadOnlyMetadataCollection<System.Data.Metadata.Edm.EdmMember>)set.EntitySet.ElementType.KeyMembers;
IEnumerable<string> keyNames = ks.Select(k => k.Name);
// Assert
Assert.AreEqual("ProductId", string.Join(",", keyNames.ToArray()));
}
